New Madrid Earthquakes 1811-1812

Isoseismal Map

Isoseismal map for
the Arkansas earthquake
of December 16,1811, 08:15 UTC
(first of the 1811-1812 New Madrid series).

Abridged from
Seismicity of the United States, 1568-1989 (Revised),
by Carl W. Stover and Jerry L. Coffman,
U.S. Geological Survey Professional Paper 1527,
United States Government Printing Office, Washington: 1993.